JPH11314752A - Bottle conveyor system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bottle conveyor system wherein the structure of a bottle pinching device is simplified, pinching work is secure enough, correspondensies with a mating device become simplified, and a structure of the mating device is also simplified. SOLUTION: In this bottle conveyor system having a feeding means to feed a bottle, and a transferring means shifting the bottle fed by this feeding means to the specified position, it is provided with a pair of pinching members 20 and 21 pinching the bottle set up in this transferring means free of rotation each, and an energizing means 29 closing these paired pinching members normally, and energizing the paired pinching members so as to be opened by a bottle pressing force to these pinching members by the feeding means, respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bottle conveying device, and more particularly to a bottle conveying device suitable for a device for filling a liquid and a device for sealing a cap.

[0002]

2. Description of the Related Art As a bottle transporting device for filling a resin bottle or the like with a liquid or sealing a cap, an irregular container filling device (Japanese Patent Application No. 9-112) previously provided by the applicant has been known.
No. 416). As shown in FIGS. 12 and 13, the apparatus includes a continuous rotary table 51 that rotates while holding the bottle 1 serving as a container on the periphery thereof.
Supply part 52, printing part 53, liquid filling part 54,
Container cleaning unit 55, capping unit 56, container discharge unit 57
Etc. are provided. Further, in this apparatus, an intermittently disposed above the continuous rotary table 51, rotated in synchronization with the continuous rotary table 51 so that liquid filling and capping are performed collectively, and returning (swinging). A swing table 58 is provided.

Then, the bottles 1 are transferred one by one from the trough 59 to the star wheel 60, and are transferred from the star wheel 60 to the gripper 61 of the continuous rotary table 51. Bottle 1 delivered to continuous rotary table 51
After the date of manufacture and the expiration date are printed on the printing unit 53 with the rotation of the table 51, the printing unit 53 is conveyed to the liquid filling unit 54, where the liquid is filled. The bottle 1 filled with the liquid is transported to the washing unit 55, where the plug is washed,
It is conveyed to the capping unit 56 via the cleaning unit 55. After the bottle 1 conveyed to the capping unit 56 is sealed there, it is conveyed to a container discharge unit 57, where it is delivered to the take-out starwheel 62, and is discharged via the take-out starwheel 62 via the discharge starwheel 62. It is discharged to 63.

The continuous rotary table 51 is driven by a drive unit. This drive unit is a hollow reduction gear, and the power of a motor (not shown) is transmitted from a shaft 64 directly connected to the shaft of the motor to a gear 65, a toothed belt 66, a gear 67,
The power is transmitted to the outer hollow shaft 71 via the shaft 68, the worm 69, and the wheel 70, and the continuous rotary table 51 fixed to the hollow shaft 71 is rotated. This continuous rotary table 5
A number of grippers 61 are attached at a constant pitch around the periphery of the bottle 1, and the grippers 61 grip the neck portion of the bottle 1 and rotate continuously with the rotation.

The intermittent swing table 58 is disposed above the continuous rotary table 51 and includes a filling nozzle 72 for filling the bottle 1 held by the gripper 61 with liquid and a capping head 73 for tightening the cap. Provided. The intermittent swing table 58 is driven by a groove cam 74 provided on the shaft of the motor and a roller 76 projecting from a lower peripheral surface of an inner hollow shaft 75 coaxially arranged inside the outer hollow shaft 71. Is transmitted to the inner hollow shaft 75, and is pivoted through a support plate 77 integrally joined to the hollow shaft 75 and a suspension rod 78 erected on the support plate 77. In the groove cam 74, a constant speed cam is formed in the forward stroke of the intermittent swing table 58, and a modified sine cam is formed in the return stroke. The intermittent swing table 58 is provided with the filling nozzles 72 and the capping heads 73 which are about １ ／ of the number of the grippers 61 of the continuous rotary table 51. Are mounted at the same radial position and the same pitch as the bottle 1 gripped by the gripper 61.

As described above, since the continuous rotary table 51 and the intermittent swing table 58 are mechanically connected to the output shaft of the same motor, the positions of the filling nozzle 72 and the capping head 73 of the intermittent swing table 58 are determined. The continuous rotary table 51 and the intermittent swing table 58 are aligned with the position of the bottle 1 (gripper 61) of the continuous rotary table 51.
Are rotated in the traveling direction in synchronization with each other, and the intermittent swing table 58 is rotated.
, The position of the bottle group that rotates next to the group of bottles that followed before can be aligned, and the movement can be followed (in FIG. 12, the solid line indicates the intermittent swing table 58 and the like). The position at the beginning of the high-speed rotation is indicated, and the two-dot chain line indicates the position at the end of the constant-speed rotation.

Further, inside the inner hollow shaft 75, an up-down moving shaft 79 is disposed so as to penetrate therethrough. The up-down moving shaft 79 has an upper support plate 80 fixed on the upper portion thereof. It is suspended by penetrating the plurality of suspension rods 78 described above,
An intermittent swing table 58 is attached to a lower portion of the hanging bar 78. Hanging rod 7 is provided between support plate 81 and upper support plate 80.
A compression spring 82 biased about 8 is provided. And a vertical cam 8 mounted on the shaft of the motor.
3 moves the vertical movement shaft 79 up and down via the lever 84,
The intermittent swing table 58 is moved up and down via the upper support plate 80 and the hanging rod 78. When the positions of the filling nozzle 72 and the capping head 73 are aligned with the position of the bottle 1 on the continuous rotary table 51, the intermittent swing table 58 is lowered to fill the liquid and tighten the cap, thereby performing the intermittent swing. It is raised just before the table 58 is returned quickly.

In the filling section 54, a separate liquid meter 85 is provided.
The same quantity as the plurality of filling nozzles 72 on the intermittent swing table 58 is provided on the liquid tank table 86. Liquid tank stand 8
6, a liquid tank 87 is provided, and a manifold pipe 88 is provided.
Is connected to a liquid meter 85. The liquid meter 85 and the filling nozzle 72 are connected by a flexible hose 89 for the filling liquid. Then, the timing at which the filling nozzle 72 comes into contact with the mouth of the empty bottle 1 is adjusted, and a fixed amount of liquid measured by the piston and the cylinder of the measuring device 85 passes through the flexible hose 89 through the filling nozzle 72.
And filled into the bottle 1. An air pipe branched from an air manifold pipe 90 is connected to each filling nozzle 72, and the manifold pipe 90 is connected to the three-way switching valve 9 provided on the liquid tank table 86 by an air flexible hose 91.
2 are connected. A compressed air supply pipe and a vacuum evacuation pipe are connected to the three-way switching valve 92, and the three-way switching valve 92 is operated so as to pass the vacuum evacuation just before filling to suck out the air in the bottle 1, and then the three-way switching is performed. The valve 92 is switched to the compressed air to open the liquid passage by operating the air cylinder.
2 is configured to act to close the air passage by operating a check valve provided in the air passage incorporated in the air passage.

The capping section 56 includes a cap selector 93 for aligning and aligning the directions of the caps, and an aligned cap catcher 94. The cap 95 is hooked on the cap of the bottle 1 continuously rotating at the cap catcher 94. It is covered. Next, the cap 95 covered on the plug portion of the bottle 1 is tightened by the capping head 73 attached at a position symmetrical to the filling nozzle 72 on the intermittent swing table 58. In other words, the caps 95 covering the plugs of the bottles 1 are chucked by the lowering of the capping heads 73, and are simultaneously wound by the electric motors or air motors installed on the capping heads 73.

As this bottleneck holding device, various devices having a fixed receiving portion and a movable holding portion are provided.
FIG. 14 shows a technique disclosed in Japanese Patent Application Laid-Open No. 2-66089 as an example. This bottleneck holding device 10
No. 0 is provided with a cut portion 102 for inserting the neck portion of the bottle 1 around the outer periphery of the turret of the rotary table 101, and symmetric movable claws 103, 104 can be rotated at both ends of the cut portion 102. So that the movable claw 103, 104 has a bottle 1
Are provided with substantially semicircular notches 107 and 108 into which
When the tips of the movable claws 103 and 104 are pulled forward, a gap larger than the diameter of the neck portion is generated between the inner front tips, and when the tips of the movable claws 103 and 104 are retracted, the inside of both movable claws 103 and 104 is formed. With the front end approaching, the notches 107, 108 formed at the inner end of the movable claws 103, 104 can form a circumference having the same center, and the movable pressing means 109, 110 are used. The movable pawls 103 and 104 can be locked at a position where the distal ends of the movable pawls 103 and 104 are retracted and at a position where the distal ends are pulled forward.
The tip of 3,104 is urged to push forward. The neck part of the flanged bottle 1 conveyed on the conveyor is sandwiched by the above components.

[0011]

The neck holding apparatus 100 for a bottle with a flange according to the prior art has a structure for holding (gripping) the neck of the bottle 1 over substantially the entire circumference, and is a holding member for the bottle neck. The movable range of the movable claws 103 and 104 becomes large, and in order to avoid interference with the members of the delivery device of the bottle 1 to be conveyed, the design is also restricted by structural parts. In addition, in the case of a bottle conveying device that does not form a bottle receiving stand and a sliding surface on the bottom of the bottle (a conveying means that supports the lower surface of the bottle neck ring),
The neck star wheel or neck guide supporting the bottle interferes with the outer periphery of the turret and the movable claw in the related art, causing problems such as failure to deliver the bottle to be conveyed. Further, since the neck holding device 100 rotates while holding a constant height, when filling the liquid, the filling mechanism is moved up and down, and in consideration of the weight of the filling mechanism and the structure of the elevating mechanism, The number of components is large, and some problems remain in terms of maintenance and cost.

It is an object of the present invention to simplify the structure of the bottle holding device, to ensure the holding, to simplify the correspondence with the counterpart device, and to simplify the structure of the counterpart device. It is to provide a device.

[0013]

In order to solve the problems of the prior art, according to the first aspect of the present invention, a supply means for supplying a bottle and a bottle supplied from the supply means are moved to a predetermined position. A bottle conveying apparatus having a moving means for moving, a pair of holding members for holding bottles rotatably installed on the transferring means, and normally closing the pair of holding members, and And urging means for urging the holding members to be opened by a bottle pressing force against the pair of holding members.

According to the first aspect of the present invention, the movable piece can be opened by the transfer rotational force at the time of delivery of the bottle, and a special power for opening the movable piece is not required. , Weight is reduced, assembly is facilitated, and maintenance is facilitated.

Further, in the invention according to claim 2, the holding surface formed by the pair of holding members is made approximately half the circumference of the bottle holding portion.

According to the second aspect of the present invention, since the holding surface is substantially half the circumference of the bottle holding portion, there is little possibility of interference with the counterpart transfer means, and the degree of design freedom is increased accordingly.

Further, in the invention according to claim 3, the bottle holding portion has irregularities, and the holding surface is a holding surface that fits into the unevenness of the bottle holding portion.

According to the third aspect of the present invention, particularly, the bottle with a neck ring is securely held, and can cope with a large-capacity plastic bottle or a centrifugal force in high-speed operation.

According to a fourth aspect of the present invention, there is provided a bottle conveying apparatus having a filling means for filling a bottle with contents and a transferring means for transferring the bottle to a filling position, wherein the bottle is slidably mounted on the transferring means. And a sliding means for sliding the bottle holding means relative to the transfer means.

According to the fourth aspect of the present invention, since the delivery position of the partner conveying means can be appropriately changed, it is easy to respond to a design change.

Further, in the invention according to claim 5, the bottle holding means slides the bottle holding means to the lower position before the filling position, and the bottle holding means is set to the upper position at the filling position. It is a sliding means for sliding the means.

According to the fifth aspect of the present invention, since the bottle can be displaced up and down, there is no need to move the filling nozzle or the like up and down, and no equipment for that is required, and the equipment can be simplified.

[0023]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a bottle conveying device according to an embodiment of the present invention. FIG. 1 is a perspective view of a bottle neck ring holding device according to an embodiment of the present invention, FIG. 2 is a perspective view showing a holding device of the device, FIG. 3 is a sectional view showing a state where the holding device is assembled, 4 (a) and 4 (b) are a plan view and a side view showing a movable piece, FIGS. 5, 6 and 7 are views showing the operation of the holding means, and FIGS. 8 and 9 are bottles corresponding to FIG. FIG. 10 and FIG. 11 are cross-sectional views showing the state of holding the neck, and FIG. 10 and FIG. 11 are diagrams illustrating the liquid filling action of the bottle neck ring holding device.

The apparatus shown in FIG. 1 is provided around the outer periphery of a rotary filling machine and is made of a plastic bottle (hereinafter referred to as a bottle).
And a neck ring holding device for holding the neck portion of the neck ring. The apparatus 10 includes a neck ring holding means (hereinafter, referred to as holding means) 11 for holding the bottle 1, a lifter 12 for vertically moving the holding means 11, an actuator 13 for constantly biasing the lifter 12 upward, and a lifter 12. Of the rotary type filling machine via a bracket 15 and is fixed to the outer peripheral portion of the rotary type filling machine via a bracket 15.

The lifter 12 has four guide holes 12a. The guide holes 12a are fitted to four rods 16 which are vertically mounted on the upper surface of the bracket 15 and are vertically movable. ing. And those rods 16
An actuator 13 is fixedly installed at the upper end of the lifter 13, and an operating shaft 13 a of the actuator 13 is connected to the center of the upper surface of the lifter 12. The lifter 12 is constantly urged upward by the actuator 13. A roller 17 is rotatably supported on the outer surface of the lifter 12 via a shaft 12b. A ring-shaped cam 14 is provided on the outer peripheral upper surface of the roller 17.
The cam 14 is driven by the upward biasing force of the actuator 13.
Is in contact with Therefore, the lifter 12 is
It can be moved up and down by the shape change.

On the lower surface of the lifter 12, a bracket 15 is provided.
, A rod 18 is extended downward, and a block 19 for mounting the holding means 11 is fixed to a lower end of the rod 18. The block 19 has an L-shaped side surface, a notch 19a formed in the center of the front surface, and a notch 1
A support portion 19b separated left and right by 9a is formed. The lower end of the rod 18 is fixed (screwed) to the upper surface of the support portion 19b. Therefore, the block 19 moves up and down together with the lifter 12. The holding means 11 is mounted on the block 19.

As shown in FIG. 2, the holding means 11 is formed by a pair of symmetrical movable pieces 20 and 21.
The movable pieces 20 and 21 are provided with fulcrum holes 20a and 2
1a, the claw 22, 22 is provided at the front end, and the prism-shaped spring support rods 20b, 21b are provided at the rear end. And these movable pieces 20 and 21 are, as shown in FIG.
Two fulcrum pins 23 and 24 implanted in concave grooves 19c formed on the lower surface of the block 19 have fulcrum holes 20a and 21 respectively.
a is fitted into the groove 19c, is disposed so as to cover the groove 19c, and is rotatably restrained in the groove 19c by a holding plate 26 fixed to the block 19 by bolts 25. A positioning pin 27 is implanted in the holding plate 26, and the pin 27 is inserted between the semicircular recesses 20c, 21c of the movable pieces 20, 21. The ends of the spring 29 are fitted to the spring support rods 20b, 21b of the movable pieces 20, 21 via washers 28, 28, respectively. The pinching means 11 arranged on the block 19 in this manner allows the fulcrum pin 2 by the urging force of the spring 29.
Each of them is pivoted about 3, 24, and their ends are brought close to or in contact with each other. Also, both movable pieces 20, 21
The recesses 20c and 21c abut on the positioning pins 27, and their rotation is restricted.

Next, the shapes of the movable pieces 20 and 21 will be described in detail with reference to FIG. Since the movable piece 20 and the movable piece 21 are symmetrical, the shape of the movable piece 20 will be described, and the description of the shape of the movable piece 21 will be omitted. Movable piece 2
0, a hole 20a serving as a fulcrum for opening and closing operation is formed substantially in the middle, and a semicircular recess 20c is formed on the center line of the hole 20a. The recess 20c forms a circular hole by the recess 21c of the movable piece 21. Form. A positioning pin 27 is provided in the circular hole.
Is inserted. The movable piece 20 is provided with a gap T so as not to interfere with each other due to the opening and closing operations of the movable pieces 20 and 21. Further, a claw 22 for holding the neck 2 of the bottle 1 is formed at a front portion (left side in FIG. 4) of the movable piece 20. The claw 22 has an arc-shaped holding surface 22a, 22
b. These holding surfaces 22a, 22b engage the cylindrical portion 2a and 2b of the bottle neck 2 (see FIG. 8), the radius R ₁ is equivalent to the radius of the cylindrical portion 2a, 2b, the outer peripheral length It is formed to be 1/4 or more. A curved holding groove 22c is formed between the holding surfaces 22a and 22b. Its gripping groove 22c is intended to grip the outer periphery and lower surface of the flange portion of the bottle 1 (neck ring) 2c, the radius R ₂ is widened toward the tip corresponds to the radius of the flange portion 2c, the bottle 1 Neck part 2
Is easy to accept. The cross-sectional shape of the grip groove 22c is provided with a gradient from the upper end of the outer periphery toward the lower end of the holding surface 22a, and the angle corresponds to the slope of the upper end of the flange 2c of the bottle 1. In addition, a notch 22d is provided at the tip of the movable piece 20 so as not to interfere with the outer periphery and the upper surface of the neck star wheel of the partner conveying means for transferring the bottle 1. Further, the distal end side of the cutout portion 22d forms a guide surface 22e, intersections 22f of the guide surface 22e and clamping surface 22a has a smaller dimension than the radius R _1. The centers of the radii R ₁ and R ₂ are offset by a distance S, and the spring 29 has a width twice the distance S.
Is increased to clamp the neck 2 of the bottle 1.

The transfer means 30 in the preceding process shown in FIG. 5 includes a gripper 31 for gripping the body 3 of the bottle 1, a neck star wheel (hereinafter referred to as a star wheel) 32 for positioning the neck 2 of the bottle 1, and It has a neck guide 33 and is configured to rotate in the direction of arrow M by driving means (not shown).

Next, the operation of the above embodiment will be described with reference to FIG.
A description will be given based on FIGS. As shown in FIG. 5, the bottle 1 conveyed from the previous step is gripped by the upper part of the pocket 32 a of the star wheel 32 and the upper part of the neck guide 33 by the closing operation of the gripper 31 of the transfer means 30. The lower surface of the portion 2c is supported, and the cylindrical portion 2b of the bottle 1 is guided by the inner surface of the pocket 32a and the inside of the neck guide 33. It is conveyed dynamically. The cylindrical portion 2b of the neck portion 2 of the bottle 1 is held by the star wheel 32 and the neck guide 33 up to the distal end position of the neck guide 33, and the cylindrical portion of the neck portion 2 of the bottle 1 is shown in FIG. The center of the pocket 32a of the star wheel 32 in which the portion 2a contacts the guide surface 22e of the movable piece 20, 21 and the bottle 1 rotates,
By moving in the direction of the arrow S indicating the relative position between the pocket 32a and the holding means 11, the claws 22 of the movable pieces 20, 21 can be moved.
Reference numeral 22 denotes a fulcrum pin 2 formed by the cylindrical portions 2a and 2b of the neck portion 2 of the bottle 1 which receives the rotating power of the star wheel 32.
With the points 3 and 24 as fulcrums, they are pushed and spread in the directions of the arrow W and the arrow Y. When passing through the intersection 22f, the center of the bottle 1 is fed to the holding point P while receiving the urging force of the spring 29.

FIG. 7 shows a plan view of the holding point P.
The state in the vertical direction is as shown in FIG. 8. The cylindrical portions 2 a and 2 b of the neck portion 2 of the bottle 1 have approximately two-thirds of the outer periphery thereof due to the holding surfaces 22 a and 22 b of the claws 22 of the movable piece 20.21. The lower surface of the flange portion 2c of the neck portion 2 of the bottle 1 is supported by the lower surface of the grip groove 22c, and more than half of the lower surface of the flange portion 2c is supported.
Is securely pinched. The positional relationship between the movable pieces 20 and 21 and the star wheel 32 at the holding point P is as follows.
As shown in FIG. 9, there is a slight gap between the distal ends of the lower surfaces of the movable pieces 20 and 21 and the outer periphery of the star wheel 32.
The positioning is adjusted so that the upper surface of 21 and the star wheel 32 are flush with each other.

At the holding point P, the conveying means 3
When the delivery and clamping of the bottle 1 is completed by the clamping means 11 of the neck clamping device 10 disposed on the outer periphery of the rotating body of the filling machine that rotates in the direction of the arrow M in synchronization with 0, the clamping device 10 rotates while the clamping device rotates. 11 is raised and lowered. The operation will be described with reference to FIGS. 1, 10, and 11. In this filling machine, the continuous rotary table and the intermittent rocking table described in the above-mentioned prior art are installed upside down, and the intermittent rocking table is different in that it does not move up and down, but other operations are substantially the same. is there. Therefore, the same reference numerals are given to the same elements as the elements (parts) described in the above related art, and the description thereof will be omitted.

The lifter 12 is always lifted upward through the operating shaft 13a of the actuator 13, and its vertical position is changed by the contact between the cam 14 and the roller 17. The shape of the cam 14 is constant before and after the holding point P. Figure 1 in range
It is in the lowered position shown in FIG. At the lowered position, the holding means 11 holding the bottle 1 starts to ascend gradually, and at the raised position shown in FIG.
And the upper surface of the neck portion 2 of the bottle 1 held by the holding means 11 is abutted and sealed.
The bottle 1 is filled with drinking water and the like from 2. At this time, the filling nozzle 72 does not interfere with the notch 19a of the block 19. The bottle 1 filled at the rising position of the clamping device 10 starts to descend gradually, and the body 3 of the bottle 1 is gripped by the gripper 31, and at the same time, the bottle 1 is inserted into the pocket 32a of the star wheel 32.
Is brought into contact with the lower body 3 so that the lower surface of the flange 2c is supported and can be discharged. The cam 14 is connected to the continuous rotary table 5.
After step 1, it is preferable to have a shape that rotates synchronously on the way back and changes smoothly to the upper position at the bottle receiving, filling position, sealing position, and the like, and to the lower position at other positions. Further, instead of the cam, a rail that smoothly changes from the upper position, the lower position, and the upper position to the lower position may be provided.

Since the discharging operation of the bottle 1 is the reverse of the above-described clamping operation, the operation will be described with reference to the gripper 31, the star wheel 32, and the neck guide 33. Bottle 1 in delivery state at discharge point not shown
Is released from the holding means 11 by the gripping force of the rotating gripper 31, the cylindrical portion 2 b of the bottle 1 is engaged with the neck guide 33, and the urging force of the spring 29 is , Movable claw 2
When the bottle 1 is pulled out from the pawls 22 of the cylinders 0 and 21 and passes through the intersection point 22f, the urging force of the guide surface 22e and the spring 29 works, and the neck part 2 is completely detached. Conveyed to the process.

[0035]

As described above, the bottle conveying apparatus according to the present invention has the following advantages. (1) The opening / closing of the movable piece for holding the neck, which is the main means, is performed by using the transfer power for transferring the bottle.
No special power is required to open the movable piece. Therefore, the opening and closing configuration of the neck holding device can be simplified, and the weight can be reduced and the assembly and maintenance can be facilitated. (2) By connecting the lifting / lowering mechanism and the neck holding mechanism, the bottle transfer position (bottle height) in the neck transfer means can be freely selected, and the transfer partner device, for example, the outer periphery of the star wheel of the neck transfer means and the neck guide. Interference, and the combination with many conveyance means was enabled. (3) The symmetrical pair of movable pieces are provided with a curved holding surface and a holding groove at the same center so that a bottle neck tube and a neck ring can be held therebetween, so that a large-capacity PET bottle or a high-speed operation can be used. It is possible to secure a clamping force that can cope with the dynamic centrifugal force, and to improve safety. (4) Since the transfer position of the counterpart conveying means can be appropriately changed, it is easy to cope with a design change, and in particular, since the bottle can be displaced up and down, there is no need to move the filling nozzle or the like up and down. No equipment is required, and the equipment can be simplified. And the like.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a neck ring holding device as a bottle conveying device according to an embodiment of the present invention.

FIG. 2 is a perspective view showing neck ring holding means of the neck ring holding device according to the embodiment of the present invention.

FIG. 3 is a sectional view showing a state where the neck ring holding means according to the embodiment of the present invention is assembled,
FIG. 3 is a sectional view taken along line A.

FIGS. 4A and 4B are views for explaining in detail a movable piece of a neck ring holding means according to the embodiment of the present invention, wherein FIG. 4A is a plan view and FIG.

FIG. 5 is an explanatory diagram showing an operation of a neck ring holding means of the neck ring holding device according to the embodiment of the present invention, and shows a relationship with a counterpart device.

FIG. 6 is an explanatory view showing the operation of the neck ring holding means of the neck ring holding device according to the embodiment of the present invention, and shows a state immediately before the bottle is received in the neck ring holding means.

FIG. 7 is an explanatory view showing the operation of the neck ring holding means of the neck ring holding device according to the embodiment of the present invention, and shows a state in which the bottle is received in the neck ring holding means.

8 is a sectional view showing a state in which the bottle is received in the neck ring holding means of the neck ring holding device according to the embodiment of the present invention, and is a sectional view taken along the line BB in FIG. 7;

9 is a cross-sectional view showing a state in which the bottle is received in the neck ring holding means of the neck ring holding device according to the embodiment of the present invention, and is a cross-sectional view taken along the line CC in FIG. 7;

FIG. 10 is a conceptual diagram illustrating a liquid filling operation by the neck ring holding device according to the embodiment of the present invention, and shows a state before liquid filling.

FIG. 11 is a conceptual diagram illustrating a liquid filling operation by the neck ring holding device according to the embodiment of the present invention, and shows a state where liquid is being filled.

FIG. 12 is a conceptual plan view showing a liquid filling device as prior art.

13 is a conceptual longitudinal sectional view of the liquid filling device shown in FIG.

FIG. 14 is a plan view conceptually showing a conventional neck ring holding device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bottle 2 Neck part 2a, 2b Cylindrical part 2c Flange part (neck ring) 3 Trunk part 10 Neck ring clamping device 11 Neck ring clamping means 12 Lifter 13 Actuator 14 Cam 15 Bracket 17 Roller 19 Block 20, 21 Movable piece 22 Claw 22a , 22b clamping surface 22c gripping groove 23, 24 fulcrum pin 27 positioning pin 29 spring 30 transport means 31 gripper 32 star wheel 33 neck guide

Claims (5)

[Claims] 1. A bottle transport apparatus having a supply means for supplying a bottle and a transfer means for moving a bottle supplied from the supply means to a predetermined position, wherein the transfer means is provided rotatably on each of the transfer means. And a pair of holding members for holding the bottle, and normally closing the pair of holding members, and urging the holding members to be opened by the bottle pressing force of the supply means against the pair of holding members. And a biasing means for performing the operation. 2. The bottle conveying device according to claim 1, wherein the holding surface formed by the pair of holding members is substantially half of the circumference of the bottle holding portion. 3. The bottle transport according to claim 1, wherein the bottle holding portion has irregularities, and the holding surface is a holding surface that fits into the unevenness of the bottle holding portion. apparatus. 4. A filling means for filling a bottle with contents,
In a bottle conveying device having a transfer means for transferring a bottle to a filling position, a bottle holding means slidably mounted on the transfer means, and a slide for sliding the bottle holding means relative to the transfer means. Means for transporting a bottle. 5. The sliding means for sliding the bottle holding means to a lower position before the filling position, and for sliding the bottle holding means to the upper position at the filling position. 5. The method according to claim 4, wherein said means is a means.
4. The bottle transport device according to claim 1.